378085109747 has 4 divisors (see below), whose sum is σ = 378756664680. Its totient is φ = 377413554816.

The previous prime is 378085109693. The next prime is 378085109921. The reversal of 378085109747 is 747901580873.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 378085109747 - 2¹⁸ = 378084847603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (378085109047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335776622 + ... + 335777747.

It is an arithmetic number, because the mean of its divisors is an integer number (94689166170).

Almost surely, 2^378085109747 is an apocalyptic number.

378085109747 is a deficient number, since it is larger than the sum of its proper divisors (671554933).

378085109747 is an equidigital number, since it uses as much as digits as its factorization.

378085109747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671554932.

The product of its (nonzero) digits is 11854080, while the sum is 59.

The spelling of 378085109747 in words is "three hundred seventy-eight billion, eighty-five million, one hundred nine thousand, seven hundred forty-seven".